A mass hangs on the end of a massless rope. The pendulum is held horizontal and released from rest. When the mass reaches the bottom of its path it is moving at a speed v = 2.3 m/s and the tension in the rope is T = 21.8 N.
Return to the original mass. What is the tension in the string at the same vertical height as the peg (directly to the right of the peg)?
with a peg being placed 4/5 of the way down it's moving 2.03 m/s
how do I do this?
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